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K u v e m p u U n i v e r s i t y
Laboratory Assignments
Subject: Basics of .NET
Subject Code: BSIT - 61 L
1. Write a program in C# using command line arguments to display a welcome
message. The message has to be supplied as input in the command line.
using System;
using System.Collections.Generic;
using System.Text;
namespace Exercise_1
{
class Program
{
static void Main(string[] args)
{
for (int i = 0; i < args.Length; i++)
{
Console.Write(args[i] + " ");
}
Console.ReadLine();
}
}
}
2. Write a program in C# to find the area of a circle, given its radius.
using System;
using System.Collections.Generic;
using System.Text;
namespace Exercise_2
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Enter the radius of Circle to find its area");
double radius =double.Parse(Console.ReadLine());
double area = Math.PI * radius * radius;
Console.WriteLine("The area of circle for given radius is : " + area);
Console.ReadLine();
}
}
}
3. Write a program in C# to find the area of polygon - triangle and rectangle by
using multiple constructors.
using System;
using System.Collections.Generic;
class rkm
{
public rkm(double basse,double height) //constructor for triangle
{
double b = basse;
double h = height;
double tri_area = (0.5) * b * h;
Console.WriteLine("Area of Triange:- " + tri_area);
}
public rkm(float width, floatheight) //constructor for Rectangle
{
float w = width;
float h = height;
float rec_area = w * h;
Console.WriteLine("Area of Rectangle:- "+ rec_area);
}
public static void Main()
{
Console.WriteLine("============For Triangle==============");
Console.WriteLine("Enter the base of triangle:-");
double tri_base =Convert.ToDouble(Console.ReadLine());
Console.WriteLine("Enter the height of triangle:-");
double tri_height =Convert.ToDouble(Console.ReadLine());
Console.WriteLine("============For Rectangle==============");
Console.WriteLine("Enter the width of rectangle:-");
float rec_width = (float)(Convert.ToDouble(Console.ReadLine()));
Console.WriteLine("Enter the height of rectangle:-");
float rec_height = (float)(Convert.ToDouble(Console.ReadLine()));
Console.WriteLine("================Result=================");
rkm th1 = new rkm(tri_base, tri_height);
rkm th2 = new rkm(rec_width, rec_height);
Console.ReadLine();
}
}
4. Write a program in C# to add and multiply two numbers and display the results.
Demonstrate the use of ref and out parameters in this program.
using System;
using System.Collections.Generic;
using System.Text;
namespace Exercise_4
{
class Program
{
public static int ADD(ref int x,ref int y)
{
int res = x + y;
return res;
}
public static int Multiply(int x,int y, out int res1)
{
res1 = x * y;
return res1;
}
static void Main(string[] args)
{
Console.WriteLine("Enter First Number");
int n1 =Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter Second Number");
int n2 =Convert.ToInt32(Console.ReadLine());
int Res = Program.ADD(refn1, ref n2);
Console.WriteLine("Sum of Two Number is : "+ Res);
Program.Multiply(n1, n2, outRes);
Console.WriteLine("Multiply of Two Number is : " + Res);
Console.ReadLine();
}
}
}
5. Using foreach looping statement, write a program in C# to display all the
elements of string array.
using System;
using System.Collections.Generic;
using System.Text;
namespace Exercise_5
{
class Program
{
static void Main(string[] args)
{
string[] str = { "I","Love", "My", "India"};
foreach (string s instr)
{
Console.WriteLine(s);
}
Console.ReadLine();
}
}
}
6. Write a program in C# to create a string array to store 10 employees name.
Display the employees name to the console by passing array as a parameter to
the display function.
using System;
using System.Collections.Generic;
using System.Text;
namespace Exercise_6
{
class Program
{
public static void Display(Arrayarr)
{
foreach (string a inarr)
{
Console.WriteLine(a);
}
}
static void Main(string[] args)
{
string[] arr = new string[10];
for (int i = 0; i < arr.Length; i++)
{
Console.WriteLine("Enter " + (i + 1) + " Emplyee Name");
string str = Console.ReadLine();
arr.SetValue(str, i);
}
Console.WriteLine("The Names you have Entered is given below ");
Console.WriteLine();
Display(arr);
Console.ReadLine();
}
}
}
7. Write a program in C# to demonstrate the usage of checked and unchecked
statements.
using System;
class rkm
{
public static void Main()
{
int i = Int32.MaxValue;
Console.WriteLine("Simple: " + (i + 1));
unchecked
{
Console.WriteLine("Unchecked: " + (i + 1));
}
checked
{
try
{
Console.WriteLine(i + 1);
}
catch (Exception ee)
{
Console.WriteLine("Error in Checked Block");
Console.ReadLine();
}
}
}
}
8. Write a class called rectangle which consists of members side_1, side_2 and
displayArea(). Write another class square which inherits class rectangle. Take
side of square as input and display the area of square on console.
using System;
using System.Collections.Generic;
using System.Text;
public class RKM
{
public double side_1;
public double side_2;
public void displayArea()
{
double area = side_1 * side_2;
Console.WriteLine("Area is:- " + area);
}
}
class Square : RKM
{
public static void Main()
{
Square sq = new Square();
Console.WriteLine("Enter the side of Square:-");
sq.side_1 =Convert.ToDouble(Console.ReadLine());
sq.side_2 = sq.side_1;
sq.displayArea();
Console.ReadLine();
}
}
9. Write a program to sort 20 decimal numbers in decreasing order and print the
result.
using System;
using System.Collections.Generic;
using System.Text;
class RKM
{
public static void Main(string[] args)
{
decimal[] arr = { 12.3m, 45.2m, 5.4m, 23.44m, 43.21m, 31.34m, 4.3m, 21.3m,
34.2m, 32.1m, 44.2m, 6.4m, 64.3m, 3.4m, 5.32m, 32.345m, 4.34m, 23.4m,
45.234m, 5.31m };
for (int i = 0; i < arr.Length; i++)
{
Console.WriteLine(arr[i]);
}
Console.WriteLine("\n--Number in decreasing order--\n");
int count = 0;
while (count < arr.Length - 1)
{
if (arr[count] < arr[count + 1])
{
decimal temp = arr[count];
arr[count] = arr[count + 1];
arr[count + 1] = temp;
count = 0;
continue;
}
count++;
}
foreach (double i inarr)
{
Console.WriteLine(i);
Console.ReadLine();
}
}
}
10. Write a program for matrix multiplication in C#.
using System;
using System.Collections.Generic;
using System.Text;
namespace Exercise_10
{
class Program
{
static void Main(string[] args)
{
int[,] x ={ { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 } };
int[,] y ={ { 11, 12, 13 }, { 14, 15, 16 }, { 17, 18, 19 } };
Console.WriteLine("----First Matrix--------");
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
Console.Write(x[i, j] + " ");
Console.WriteLine();
}
Console.WriteLine("----Second Matrix--------");
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
Console.Write(y[i, j] + " ");
Console.WriteLine();
}
Console.WriteLine("Multilpilcation of Two Matrix (Matrix1 * Matrix2) ");
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
Console.Write(x[i, j] * y[i, j] + " ");
Console.WriteLine();
}
Console.ReadLine();
}
}
}
11. Write a program in C# to sort the students list based on their names. The
students list is stored in a string array.
using System;
using System.Collections.Generic;
using System.Text;
namespace Exercise_11
{
class Program
{
public static void Display(Arrayarr)
{
foreach (string s inarr)
{
Console.WriteLine(s);
}
}
static void Main(string[] args)
{
Console.WriteLine("Enter the No of Student");
int n =Convert.ToInt16(Console.ReadLine());
string[] arr = new string[n];
for (int i = 0; i < arr.Length; i++)
{
Console.WriteLine("Enter " + (i + 1) + " Student Name");
string str = Console.ReadLine();
arr.SetValue(str, i);
}
Console.WriteLine("\nThe Names you have Entered i Sort order is given
below ");
Console.WriteLine();
Array.Sort(arr);
Display(arr);
Console.ReadLine();
}
}
}
12. Write a program in C# to demonstrate operator overloading.
using System;
class rkm
{
int a;
public rkm()
{
a = 10;
}
public static rkm operator-(rkm obj)
{
obj.a = -obj.a;
return obj;
}
public void display()
{
Console.WriteLine("Number is {0}", a);
}
public static void Main()
{
rkm aa = new rkm();
aa.display();
aa = -aa;
aa.display();
Console.ReadLine();
}
}
13. Write a program in C# to demonstrate boxing and unboxing opertation.
using System;
using System.Collections.Generic;
using System.Text;
namespace Exercise_13
{
class Program
{
static void Main(string[] args)
{
int i = 10;
Console.WriteLine("Value of i : " + i);
object obj = (object)(i+1); // boxing Convert int to object
Console.WriteLine("Value of obj :"+ obj);
i = (int)obj;
Console.WriteLine("Value of i after unbox "+i);
Console.ReadLine();
}
}
}
14. Write a program in C# to throw and catch any arithmetic exception.
using System;
using System.Collections.Generic;
using System.Text;
namespace Exercise_14
{
class Program
{
static void Main(string[] args)
{
try
{
int n1 =10;
int n = 0;
int res;
res = n1 / n;
Console.WriteLine(res);
}
catch (ArithmeticException ex)
{
Console.WriteLine(ex.Message.ToString());
}
Console.ReadLine();
}
}
}
15. Write a program to demonstrate the usage of threads in C#.
using System;
using System.Threading;
class rkm
{
public void get1()
{
for (int i = 0; i <= 10; i++)
{
Console.WriteLine("Welcome");
Thread.Sleep(1000);
}
}
public void get2()
{
for (int j = 0; j <= 10; j++)
{
Console.WriteLine("India");
Thread.Sleep(1000);
}
}
public static void Main()
{
rkm ff = new rkm();
ThreadStart ts1 = newThreadStart(ff.get1);
ThreadStart ts2 = newThreadStart(ff.get2);
Thread t1 = newThread(ts1);
Thread t2 = newThread(ts2);
t1.Start();
Thread.Sleep(500);
t2.Start();
} }
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∙ 12y ago
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What are laptops used by?
EVERYTHING!
Where can one purchase used laptops in India?
Used laptops can be purchased online for delivery to India. Some companies are Adpost, Click India, Trade India, Used Laptops and Alibaba. Another option is O Options.
Who used the early laptops?
Your dad
What are notebook laptops?
Notebook laptops are also called as laptop computers or portable computers it can be used in different environments.
Is tv tuner good for laptops?
TV tuners are not good for laptops. TV tuners were not built to be used on laptops and could potentially harm the device.
What are studio laptops?
laptops used for entertainment or running applications like photoshop or things for art or photography.
What is a carrying case for laptops used for?
Carrying it.
What websites sell discounted laptops?
The websites that sell discounted laptops online are CheapLaptops and ElectronicsForLess. I am not sure if they are reliable but they offer good deals on used and discounted laptops.
Is used laptop recycling viable?
You can recycle your used electronics and laptops at Staples. They let you give them your old electronics like laptops which they recycle which is good for the environment.
Why are laptops called laptops, when you can't put them on your laps because of overheating?
Laptops are called laptops because they were designed to be portable computers that can be used on the go, and the name refers to their ability to be used on a person's lap. Although it is true that laptops can sometimes become hot and uncomfortable to use on your lap, this is not the reason for their name. The name "laptop" was chosen because the computers are small and lightweight enough to be carried and used in a variety of settings, including on a person's lap.
What resources are being used to make laptops?
silicon
What type of ram isused in laptops?
The type of RAM that is used in laptops would be the smallest RAM which would be SD-RAM.
